Xpra

* fix quality menu
* fix for clients not using rencoder (ie: Java, Android..)
* fix pixel queue size accounting

* fix tray options meant to be unusable until connected
* fix auto refresh delay
* fix missing first bell in error case
* fix potential DoS in client disconnection accounting
* fix network calls coming from wrong thread in error case
* fix unlikely locking issue and reduce lock hold time
* fix disconnect all connected clients cleanly
* fix clipboard flag handling
* fix Mac OSX path with spaces handling
* fix server minimum window dimensions with video encoders
* don't bother trying to auto-refresh in lossless modes

* fix crash on empty keysym
* fix potential division by zero
* fix network queue access from invalid thread
* fix cleanup code on upgrade corner cases
* fix keyboard layout change detection
* try harder to apply keymaps when the number of free keycodes are limited

* avoid crash with configure events on windows being destroyed
* fix 100% cpu usage with python2.6 server started with no child

* fix crash with unknown X11 keysyms
* avoid error with focus being given to a destroyed window
* honour window aspect ratio

* fix version string hiding ssh password prompt
* fix focus handling for applications setting `XWMHints.input` to False (ie: Java)
* fix ssh shared connection mode: do not kill it on Ctrl-C
* fix sanitization of aspect ratio hints
* fix undefined variable exception in window setup/cleanup code
* fix undefined variable exception in window damage code
* fix dimensions used for calculating the optimal picture encoding
* reduce Xdummy memory usage by limiting to lower maximum resolutions